Environmental Protection Agency April 12, 2016 – Federal Register Recent Federal Regulation Documents
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1,2-Propanediol, 3-[3-[1, 3, 3, 3-tetramethyl-1-[(trimethylsilyl)oxy]-1-disiloxanyl] propoxy]-; Exemption From the Requirement of a Tolerance
This regulation establishes an exemption from the requirement of a tolerance for residues of 1,2-propanediol, 3-[3-[1, 3, 3, 3- tetramethyl-1-[(trimethylsilyl)oxy]-1-disiloxyanyl] propoxy]- (CAS Reg. No. 70280-68-1) when used as an inert ingredient (antifoaming agent) in pesticide formulations applied to growing crops at a maximum concentration not to exceed 5% by weight. Exponent, on behalf of ISK Biosciences submitted a petition to EPA under the Federal Food, Drug, and Cosmetic Act (FFDCA), requesting establishment of an exemption from the requirement of a tolerance. This regulation eliminates the need to establish a maximum permissible level for residues of 1,2-propanediol, 3-[3-[1, 3, 3, 3-tetramethyl-1-[(trimethylsilyl)oxy]-1-disiloxyanyl] propoxy]-.
Approval and Promulgation of Air Quality Implementation Plans; Colorado; Revisions to Common Provisions and Regulation Number 3; Corrections
The Environmental Protection Agency (EPA) published in the January 25, 2016 Federal Register a document concerning the approval of Air Quality State Implementation Plan (SIP) revisions to Colorado Common Provisions and Regulation Number 3. Inadvertently, the publication date of January 25, 2016 was listed in the regulatory text under the heading ``EPA Effective Date'' instead of the effective date of February 24, 2016. The correct EPA effective date was provided in the rule preamble. This document corrects the ``EPA Effective Date'' within the regulatory text to February 24, 2016.
Approval and Promulgation of Implementation Plans; Spokane, Washington: Second 10-Year PM10
The Environmental Protection Agency (EPA) is approving the limited maintenance plan submitted on January 4, 2016, by the State of Washington for the Spokane area, which includes the cities of Spokane, Spokane Valley, Millwood and surrounding unincorporated areas in Spokane County, Washington. This plan addresses the second 10-year maintenance period for particulate matter with an aerodynamic diameter less than or equal to a nominal 10 micrometers (PM10). A limited maintenance plan is used to meet Clean Air Act requirements for formerly designated nonattainment areas that meet certain qualification criteria. The EPA determined that Washington's submittal meets the limited maintenance plan criteria. The Spokane area currently has monitored PM10 levels well below the National Ambient Air Quality Standards (NAAQS) and levels have not increased since the area was redesignated to attainment in 2005. The EPA is also approving minor updates to the Spokane Regional Clean Air Agency (SRCAA) regulations controlling PM10 related to the maintenance plan.
Air Plan Approval; Minnesota and Michigan; Revision to 2013 Taconite Federal Implementation Plan Establishing BART for Taconite Plants
The Environmental Protection Agency (EPA) is finalizing a revision to the Federal implementation plan (FIP) addressing the requirement for best available retrofit technology (BART) for taconite plants in Minnesota and Michigan. In response to petitions for reconsideration, we are revising the nitrogen oxides (NOX) limits for taconite furnaces at facilities owned and operated by Cliffs Natural Resources (Cliffs) and ArcelorMittal USA LLC (ArcelorMittal). Cliffs owns and operates Tilden Mining and United Taconite. Hibbing is owned by Cliffs, ArcelorMittal and U.S. Steel and operated by Cliffs. ArcelorMittal is owner and operator of Minorca Mine. We are also revising the sulfur dioxide (SO2) requirements at two of Cliffs' facilities. We are making these changes because new information has come to light that was not available when we originally promulgated the FIP on February 6, 2013.
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